package com.wyebus.boss.web.configuration;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Component;

@Component
public class CorsFilter implements Filter {

	//private static Log LOG = LogFactory.getLog(CorsFilter.class);

	@Override
	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
			throws IOException, ServletException {

		HttpServletResponse response = (HttpServletResponse) res;
		HttpServletRequest reqs = (HttpServletRequest) req;

		response.setHeader("Access-Control-Allow-Origin", reqs.getHeader("Origin"));
		response.setHeader("Access-Control-Allow-Credentials", "true");
		response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, HEAD");
		response.setHeader("Access-Control-Max-Age", "3600");
		response.setHeader("Access-Control-Allow-Headers", "Content-Type,X-Requested-With,accept,"
				+ "Origin,Access-Control-Request-Method,Access-Control-Request-Headers");

		chain.doFilter(req, res);
	}

	@Override
	public void init(FilterConfig filterConfig) {
	}
	
	@Override
	public void destroy() {
	}
}